Apparatus for the manufacture of charcoal



2 Sheets-Sheet 1,

(No Model.)

J. SGHERPHUS.

APPARATUS EUR THB MANUPAGTURB 0F GHARGOAL.

2 INVENTR i,

WITNESSES:

ATTORNEYS.

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(No Moda.) 2 sheets-sheet. 2.

J. SGHERFFS.

APPARATUS POR THE MANUPAGTURB 0F GHARGOAL.

No. 887,817. Patented Aug. 14, 1888.

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WITNESSES: INVENTOR ATTORNEYS.

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UNITED STATES PATnNT eineno JACOB SOHERFFIUS, OF WIN'ONA, MINNESOTA.

APPARATUS FOR THE MANUFACTURE OF CHARCOAL.

SPECIFICATION forming part of Letters Patent No. 387,817, dated August 14, 1888.

Application filed January 30, ISES. Serial No. 262,370. (No model.)

To all whom, it 71mg concern.-

Be it known that I, Jicon Scnnurrius, of XVinona, in the county of W'inona and State of Minnesota, have invented a new and Improved Apparatus for the Manufacture of Oharcoahof which the following is a full,clear, and exact description.

This invention relates to a novel apparatus that is applicable for use in the manufacture of charcoal, the object of the invention being to provide for the charring of the wood within a chamber that is separated from the iirechamber, the products of combustion passing about but not entering the chamber in which the wood is to be charred, a novel arrangement for continuously using the air heated by radiation from the lireehamber being provided in the apparatus,to be hereinafter specifically described, while provision is made for gathering and condensing all products that are given ofi by the wood during the processes of charring.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar Figures and letters of reference indicate corresponding parts in both the views.

Figure 1 is a central sectional elevation of my improved apparatus for producing charcoal; and Fig. 2 is a similar View, the View, however, being taken at right angles to the vertical plane of the first ligure of the drawings.

In the drawings above referred to, represents a fire-chamber that is surrounded by an inclosingcase, 1l, a chamber, B, being formed between the outer face of the fire-box wall and the inner face ofthe wallof the inclosing-case 1l. Above the tire-box I mount a boX-like structure, 12, near the bottom of which there are gratos 13, the chamber C, formed by this structure, constituting a receptacle for the wood that is to be charred. A pipe or tube, 14, leads from the chamberlup within and to a point near the top of the chamber O.

The boxlike structure 12 is in turn surrounded bya jacket, 15, and this jacket is oonnected with the outlet 17 of the tire-box 10 by two or more pipes, 1S, in which there are arranged dampers 19, the products of combustion passing up through the outlet17 and pipes 1S, to the space between the structure 12 and its jacket 15, to pass thence out through the smoke-pipe 20; but in order that I may at times secure a direct draft Iconncct a branch smoke-pipe, 21,with the outlet 17 and with the pipe 20, this branch pipe passing up outside of the jacket l5 and being provided with a damper, 9. In order that thesmohe and other products of combustion entering the spaces between the box 12 and its jacket 15 may be caused to pass upon all sides of said boX,I arrange partitions 23,115 shown.

The chamber O is provided with two or more outlets, 24,to which there are connected pipes and 25:,connection being established by slip-joints 2G, and these pipes 25 and 25a are in turn connected to the lower portion of the chamber B, the pipes, however, passing through water troughs, as 27 or 27, this arrangement being employed in order that all steam entering said pipes may be condensed by the action of cool water, the condensed steam passing from the pipes through dischargenozzles 28, which dip within tanks 29, so that after a quantity of water has been corr densed and discharged a seal will be formed within the tanks, and all cool air from the outside will be prevented from entering the chamber C. The tank 27 is supplied with cool water through a tubet), which enters its lower portion, the overflow being carried off, as indicated by the arrow. The entrance to the chamber C is closed by doors 32.

vSuch being the general construction of my improved apparatus for producing charcoal, the operation is as follows: The wood to be charred is placed within the chamber C, the tire is built within the tire-box, the damper 9 at this time being open and the dampers 19 closed, and preferably the pipes 25 and 25a are removed from their connection with the apparatus, so that the heated air caused by radiation from the walls of the tire-box will pass up through the pipe 14 into the chamber C, to pass thence th rough the openings 2i to the outer air; but

\ after sufficient moisture has been expelled from the wood that is being operated upon the pipes 25 and 25" are reconnected, the damper 9 is closed, the dampers 19 are opened, and then the air, passing upward through the pipe .14, will pass from the chamber O through the pipes 25 and 25"L back to the chamber B, all

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2' ameri .reheated therein, to pass once again to the chamber C through the pipe 14. The apparatus above described produces an exceedingly high grade of charcoal, and may be used in the manufacture of rosin, turpentine, tar, and wood oils, as will be readily understood.

Having thus fully described my invention, I claim as new and desire to secure by Letters Patent- 1. In an apparatus for producing charcoal,

u the combination, with the lire-box and ajacket surrounding it and forming a hot-air chamber, of the charring-receptacle l, receiving air from and returning it to the said hot-air chamber, a jacket surrounding said charring-receptacle and forming a chamber into Which the products of combustion are led from the fire-box, and a smoke-outlet for said chamber, substantially as set forth.

2. In an apparatus for producing charcoal. the combination, with a fire-box surrounded by a chamber, B, of a charring-chamber, a jacket surrounding said chamber, a tube leading from the chamber B to a point Within the y charring-chamber, other tubes leading from the charring-chamber to the lower portion of the chamber B and discharging air therein to be reheated, and tubes connecting the outlet of the fire-chamber with the space between the charring-chamber walls and the jacket surrounding the same, substantially as described.

3. The combination, with the fire-chamber and ajacket surrounding the same, of a jacketed receptacle above the fire-chamber, apipe leading from the hot-air space around the firechamber into the said receptacle, a smoke-outlet pipe connecting the fire-chamber with spade between the receptacle and its jacket, and a pipe leading from the bottom of the receptacle into the jacketed space around the lirechamber and provided with a Waterjacket or tank, and a discharge and sealing nozzle entering a pan or tank to discharge the products of distillation and be sealed therein, and thereby prevent the entrance of cold air, substantially as set forth.

4. The combination, with the jacketed irebox, ofthe receptacle above thesame, apipeentering the receptacle from said jacketed space, and a return-pipe leading from therbottom of the receptacle and discharging the air into the bottom of the jacketed space, and provided With a sealed discharge-nozzle for the products of distillation, substantially as described.

5. In an apparatus for producing charcoal, the combination, with a fire-chamber, of a charring-chamber, a jacket surrounding said charring-charnber, a space, however, being left between the walls of the charring-chamber and the Walls of the jacket, tubes or pipes connecting the outlet of the iirechamber with the space between the Walls of the charringchamber and itsjacket, valves or dampers arranged in connection With said tubes, a smokepipe leading from said space between the charring-chamber and its jacket, and a branch smoke-pipe provided with a damper, which said branch smoke-pipe leads from the discharge-opening of the fire-chamber to the main smoke-pipe, substantially as described.

JACOB SCHERFFIUS.

IVitnesses:

D. E. VANoE, J. N. MAYBURY. 

